Home / 90,098.95-135,215.75-33,994.39

Finding the Fourth Proportional to 90,098.95, 135,215.75 and 33,994.39

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Solution

The fourth proportional to 90,098.95, 135,215.75 and 33,994.39 is: 51,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.95 : 135,215.75 = 33,994.39 : x
  2. Step 2: Convert to fraction form
    90,098.95/135,215.75 = 33,994.39/x
  3. Step 3: Cross multiply
    90,098.95x = 135,215.75 × 33,994.39
  4. Step 4: Simplify right side
    90,098.95x = 4,596,576,769.67
  5. Step 5: Solve for x
    x = 4,596,576,769.67/90,098.95
  6. Step 6: Final answer
    x = 51,016.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.